X0306 4 2017-06-14 0 0001314102 pSivida Corp. PSDV 0001450485 Lurker Nancy C/O PSIVIDA CORP. 480 PLEASANT STREET WATERTOWN MA 02472 1 1 0 0 President and CEO Common Stock 2017-06-14 4 P 0 56700 1.763 A 56700 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.72 to $1.80. The reporting person undertakes to provide pSivida Corp., any security holder of pSivida Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. /s/ John Mercer, Attorney-in-Fact 2017-06-14